Updates to the scenery loading infrastructure to make it more flexible,

[flightgear.git] / src / FDM / Balloon.cxx

diff --git a/src/FDM/Balloon.cxx b/src/FDM/Balloon.cxx
index 92b6dc039b043272c211d378627b130759393774..dd5bc016d8f8580432532adc857e9bcbb6daa138 100644 (file)
--- a/src/FDM/Balloon.cxx
+++ b/src/FDM/Balloon.cxx
@@ -75,9 +75,11 @@ FGBalloonSim::~FGBalloonSim() {
 // Initialize the BalloonSim flight model, dt is the time increment for
 // each subsequent iteration through the EOM
 void FGBalloonSim::init() {
-                               // explicitly call the superclass's
-                               // init method first.
-    FGInterface::init();
+               
+    //do init common to all the FDM's          
+    common_init();
+    
+    //now do init specific to the Balloon
 
     sgVec3 temp;
 
@@ -101,9 +103,9 @@ void FGBalloonSim::init() {
 
     //set velocities
     sgSetVec3( temp,
-              fgGetDouble("/velocities/uBody"),
-              fgGetDouble("/velocities/vBody"),
-              fgGetDouble("/velocities/wBody") );
+              fgGetDouble("/velocities/uBody-fps"),
+              fgGetDouble("/velocities/vBody-fps"),
+              fgGetDouble("/velocities/wBody-fps") );
     current_balloon.setVelocity( temp );
 
     SG_LOG( SG_FLIGHT, SG_INFO, "Finished initializing BalloonSim" );
@@ -111,7 +113,7 @@ void FGBalloonSim::init() {
 
 
 // Run an iteration of the EOM (equations of motion)
-bool FGBalloonSim::update( int multiloop ) {
+void FGBalloonSim::update( int multiloop ) {
     double save_alt = 0.0;
 
     // lets try to avoid really screwing up the BalloonSim model
@@ -121,7 +123,7 @@ bool FGBalloonSim::update( int multiloop ) {
     }
 
     // set control positions
-    current_balloon.set_burner_strength ( controls.get_throttle(0) );
+    current_balloon.set_burner_strength ( globals->get_controls()->get_throttle(0) );
     //not more implemented yet
 
     // Inform BalloonSim of the local terrain altitude
@@ -160,8 +162,6 @@ bool FGBalloonSim::update( int multiloop ) {
     if ( save_alt < -9000.0 ) {
        set_Altitude( save_alt );
     }
-
-    return true;
 }
 
 
@@ -190,7 +190,7 @@ bool FGBalloonSim::copy_from_BalloonSim() {
     //temp[1]: longitude
     //temp[2]: altitude (meters)
 
-    _updatePosition( temp[0], temp[1], temp[2] * SG_METER_TO_FEET  );
+    _updateGeocentricPosition( temp[0], temp[1], temp[2] * SG_METER_TO_FEET );
     
     current_balloon.getHPR( temp );
     set_Euler_Angles( temp[0], temp[1], temp[2] );